Overview
The 74LVC257APW/AU118 is a quad 2-input multiplexer with 3-state outputs, designed and manufactured by Nexperia. This device is part of the 74LVC family and is characterized by its ability to operate in mixed 3.3 V and 5 V environments, making it an ideal choice for various electronic designs. The multiplexer selects 4 bits of data from two sources and is controlled by a common data select input.
Key Specifications
| Type number | VCC (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Power dissipation considerations | Tamb (°C) | Rth(j-a) (K/W) | Ψth(j-top) (K/W) | Rth(j-c) (K/W) | Package name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC257APW | 1.2 - 3.6 | CMOS/LVTTL | ± 24 | 2.4 | Low | -40 to 125 | 125 | 4.6 | 54.6 | TSSOP16 (SOT403-1) |
Key Features
- Inputs can be driven from either 3.3 V or 5 V devices, allowing use in mixed voltage environments.
- Schmitt-trigger action at all inputs for tolerance of slower input rise and fall times.
- Overvoltage tolerant inputs up to 5.5 V.
- Wide supply voltage range from 1.2 V to 3.6 V.
- CMOS low-power consumption.
- Direct interface with TTL levels.
- Output drive capability suitable for 50 Ω transmission lines at 85 °C.
- IOFF circuitry for partial power-down mode operation.
- Compliance with JEDEC standards: JESD8-7A, JESD8-5A, and JESD8-C/JESD36.
- ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V.
Applications
The 74LVC257APW/AU118 is versatile and can be used in a variety of applications across different industries, including:
- Automotive systems for signal routing and data selection.
- Industrial control systems for multiplexing signals.
- Consumer electronics for managing data paths in mixed voltage environments.
- Mobile and wearable devices for efficient signal management.
- Computing and networking equipment for data routing and selection.
Q & A
- What is the primary function of the 74LVC257APW/AU118?
The primary function is to act as a quad 2-input multiplexer with 3-state outputs, selecting 4 bits of data from two sources based on a common data select input.
- What voltage ranges can the inputs of the 74LVC257APW/AU118 handle?
The inputs can be driven from either 3.3 V or 5 V devices, and are overvoltage tolerant up to 5.5 V.
- What is the supply voltage range for the 74LVC257APW/AU118?
The supply voltage range is from 1.2 V to 3.6 V.
- Does the 74LVC257APW/AU118 support partial power-down mode?
- What are the ESD protection levels for the 74LVC257APW/AU118?
The device has ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- What is the operating temperature range for the 74LVC257APW/AU118?
The operating temperature range is from -40 °C to 125 °C.
- What package type is the 74LVC257APW/AU118 available in?
The device is available in a TSSOP16 (SOT403-1) package.
- Is the 74LVC257APW/AU118 compliant with any industry standards?
- What are some typical applications for the 74LVC257APW/AU118?
- How does the Schmitt-trigger action benefit the 74LVC257APW/AU118?
